Home / 23,221.44-34,812.60-18,828

Finding the Fourth Proportional to 23,221.44, 34,812.60 and 18,828

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Solution

The fourth proportional to 23,221.44, 34,812.60 and 18,828 is: 28,226.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.44 : 34,812.60 = 18,828 : x
  2. Step 2: Convert to fraction form
    23,221.44/34,812.60 = 18,828/x
  3. Step 3: Cross multiply
    23,221.44x = 34,812.60 × 18,828
  4. Step 4: Simplify right side
    23,221.44x = 655,451,632.80
  5. Step 5: Solve for x
    x = 655,451,632.80/23,221.44
  6. Step 6: Final answer
    x = 28,226.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.